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Cell Cycle: The complex series of phenomena, occurring between the end of one Cell division and the end of the next, by which cellular material is duplicated and then divided between two daughter cells. The cell cycle includes Interphase, which includes G0 phase; G1 phase; S Phase; and G2 phase, and Cell division phase.

Preparation of Primary Acute Lymphoblastic Leukemia Cells in Different Cell Cycle Phases by Centrifugal Elutriation

1Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, 2Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, 3Department of Cell and Molecular Biology, St. Jude Children's Research Hospital

Video Coming Soon

JoVE 56418


 JoVE In-Press

Cell Sorting of Neural Stem and Progenitor Cells from the Adult Mouse Subventricular Zone and Live-imaging of their Cell Cycle Dynamics

1CEA DSV iRCM SCSR, Laboratoire de Radiopathologie, UMR 967, 2INSERM, UMR 967, 3Université Paris Diderot, Sorbonne Paris Cité, UMR 967, 4Université Paris Sud, UMR 967, 5CNRS, Université Paris Sud, UMR 9197, Neuroscience Paris-Saclay Institute, Molecules Circuits Department

JoVE 53247


 Neuroscience

Imaging- and Flow Cytometry-based Analysis of Cell Position and the Cell Cycle in 3D Melanoma Spheroids

1The Centenary Institute, 2Sydney Medical School, University of Sydney, 3The University of Queensland Diamantina Institute, Translational Research Institute, The University of Queensland, 4Department of Dermatology, Royal Prince Alfred Hospital, 5Discipline of Dermatology, University of Sydney

JoVE 53486


 Medicine

Cell Cycle Analysis

JoVE 5641

Cell cycle refers to the set of events through which a cell grows, replicates its genome, and ultimately divides into two daughter cells through the process of mitosis. Because the amount of DNA in a cell shows characteristic changes throughout the cycle, techniques known as cell cycle analysis can be used to separate a population of cells according to the different phases of cell cycle they are in, based on their varying DNA content.This video will cover the principles behind cell cycle analysis via DNA-staining. We will review a generalized protocol for performing this staining using bromodeoxyuridine (BrdU, a thymidine analog that is incorporated into newly synthesized DNA strands) and propidium iodide (PI, a DNA dye that stains all DNA), followed by analysis of the stained cells with flow cytometry. During flow cytometry, a single cell suspension of fluorescently labeled cells is passed through an instrument with a laser beam and the fluorescence of each cell is read. We will then discuss how to interpret data from flow cytometric scatter plots, and finally, look at a few applications of this technique.


 Cell Biology

Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture

1CEA, LETI, DTBS, LISA, Université Grenoble Alpes, 2CEA, LETI, DTBS, LBAM, Université Grenoble Alpes, 3CEA, INSERM, BIG, Université Grenoble Alpes, 4CNRS, FR CNRS 3425, 5Institut Curie, CNRS, UMR 144, Molecular Mechanisms of Intracellular Transport, PSL Research University, 6CNRS, FR CNRS 3425, 7TIMC-IMAG

Video Coming Soon

JoVE 56580


 JoVE In-Press

Towards Biomimicking Wood: Fabricated Free-standing Films of Nanocellulose, Lignin, and a Synthetic Polycation

1Institute for Critical Technology and Applied Science, Virginia Tech, 2Macromolecules and Interfaces Institute, Virginia Tech, 3Institute for Food Safety and Health, Illinois Institute of Technology- Moffett Campus, 4Wood, Cellulose, and Paper Research Department, University of Guadalajara, 5Department of Sustainable Biomaterials, Virginia Tech, 6Sustainable Nanotechnology Interdisciplinary Graduate Education Program, Virginia Tech

JoVE 51257


 Chemistry

Fundamentals of Breeding and Weaning

JoVE 10293

Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN

Millions of mice and rats are bred for use in biomedical research each year. Worldwide, there are several large commercial breeding facilities that supply mice to research laboratories, but many facilities choose to also breed mice and rats in-house to reduce costs and increase research options. When breeding in the animal facility, researchers are able to manipulate the genetics of the animals, time the pregnancies to meet the needs of the research, and work with embryos and neonates as required. Mice and rats can be bred in a variety of schemes and methods. Technical procedures, such as the use of vaginal cytology, visualization of the vaginal area, and observation of copulatory plugs, have been developed to assist with the synchronization of breeding to correspond to research requirements. This manuscript is an overview of the basic fundamentals of mouse and rat breeding and technical procedures used. More detailed descriptions of the complex breeding schemes, and the full description of the methods for vaginal cytology, are available in the list of references.


 Lab Animal Research

Laser Microirradiation to Study In Vivo Cellular Responses to Simple and Complex DNA Damage

1Department of Biological Chemistry, School of Medicine, University of California, Irvine, 2Beckman Laser Institute and Medical Clinic, University of California, Irvine, 3Department of Developmental and Cell Biology, School of Biological Sciences, University of California, Irvine, 4Department of Biomedical Engineering and Surgery, University of California, Irvine

Video Coming Soon

JoVE 56213


 JoVE In-Press

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